package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品");
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }
    /**
     * 分页查询菜品
     * @return PageResult
     * @param dishPageQueryDTO
     */
    @ApiOperation("分页查询菜品")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("分页查询菜品 ,{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }
    /**
     * 菜品的批量删除
     * @return Result
     * @param ids
     */
    @DeleteMapping
    @ApiOperation("菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品的批量删除 ,{}", ids);
        dishService.delete(ids);

        //将全部的菜品缓存数据删除 ,所有以dish_开头的key进行删除
        cleanCache("dish_*");
        return Result.success();
    }
    /**
     * 根据id查询菜品
     * @return Result<DishVO>
     * @param id
     */
    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品 ,{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }
    @ApiOperation("修改菜品")
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品 ,{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将全部的菜品缓存数据删除 ,所有以dish_开头的key进行删除
        cleanCache("dish_*");
        return Result.success();
    }
    @ApiOperation("菜品起售停售")
    @PostMapping("/status/{status}")
    public Result startOrStop(@PathVariable Integer status, Long id){
        log.info("菜品起售停售 ,{}", status);
        dishService.startOrStop(status, id);

        //将全部的菜品缓存数据删除 ,所有以dish_开头的key进行删除
        cleanCache("dish_*");
        return Result.success();
    }
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
    /**
     * 根据分类id查询菜品
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Integer categoryId){
        List<Dish> dishList = dishService.listBycategoryId(categoryId);
        return Result.success(dishList);
    }
}
